Argonne and Los Alamos national laboratories team up to develop more affordable fuel cell components

Researchers at the U.S. Department of Energy's (DOE) Argonne and Los Alamos national laboratories have teamed up to support a DOE initiative through the creation of the Electrocatalysis Consortium (ElectroCat), a collaboration devoted to finding an effective but cheaper alternative to platinum in hydrogen fuel cells.

Announced earlier this week, ElectroCat is dedicated to finding new ways to replace rare and costly platinum group metals in fuel cell cathodes with more accessible and inexpensive substitutes — such as materials based on the earth-abundant metals iron and cobalt.

The heart of the automotive fuel-cell power system is the fuel cell stack, which is where the platinum is used. "Platinum is a precious metal, which means that it is both expensive and difficult to get," said Piotr Zelenay, a Los Alamos National Laboratory fellow and lead scientist on the Los Alamos component of the consortium.

"At the core of virtually every problem we tackle at the Energy Department, there is a materials challenge..."

About half of the total cost of a typical automotive fuel cell stack comes directly from the cost of the platinum metal in the electrode catalysts. "In order to make hydrogen fuel cell cars an affordable reality, we need to find a way to either significantly reduce the amount of platinum needed or completely replace platinum with less expensive materials," said Debbie Myers, an Argonne senior chemist who will serve as the Argonne lead in the consortium.

"The challenge for us and for industry is to develop new catalysts that meet targets for activity, durability, cost and ease of integration into membrane electrode assemblies," Zelenay added. "Thankfully, the national laboratory system includes the people who have the skills to address these issues."

ElectroCat is one of four consortia that make up DOE's Energy Materials Network (EMN). The EMN will facilitate industry access to the unique scientific and technical resources available at the national laboratories, enabling manufacturers to bring advanced materials to market more quickly.

"At the core of virtually every problem we tackle at the Energy Department, there is a materials challenge," said Deputy Assistant Secretary for Transportation Reuben Sarkar. "Whether it's a better battery, a lighter material or a new fuel cell technology — materials underlie almost everything that we do, so shifting the paradigm from traditional materials research to an acceleration-focused strategy is crucial."

The partnership between Argonne and Los Alamos that forms the core of ElectroCat involves the study, creation and implementation of possible alternatives to platinum-based electrodes through material-development efforts headed by Los Alamos and accelerated by the high-throughput, combinatorial, characterization and electrode performance modeling capabilities at Argonne, as well as by applying a high-performance supercomputer to model new catalyst structures at Los Alamos.

In developing new materials to be explored, researchers at Los Alamos will bring to bear 15 years of experience in platinum-free catalyst design, synthesis, characterization and testing. In addition, Los Alamos can apply multiscale modeling techniques that leverage world-class computing facilities to design catalysts with optimal activity, selectivity and durability.

Once the potential replacement candidate materials are identified, scientists in the consortium can examine materials using a number of different methods, including X-ray imaging and spectroscopy techniques at Argonne. Argonne researchers can also investigate samples in a number of different environments that replicate how they would function in real-world scenarios.

By combining the expertise and capabilities at Argonne and Los Alamos, in partnership with the private sector and universities, researchers expect to accelerate the development and implementation of platinum-free catalysts in fuel cells.

"The acceleration of progress in electrocatalysis without platinum will depend on focused catalyst design, guided by multiscale modeling methods and facilitated by high-throughput methods for synthesis and screening," said Zelenay. "This partnership will integrate the strengths of both laboratories for this purpose."

About Los Alamos National Laboratory

Los Alamos National Laboratory, a multidisciplinary research institution engaged in strategic science on behalf of national security, is operated by Los Alamos National Security, LLC, a team composed of Bechtel National, the University of California, BWX Technologies, Inc. and URS Corporation for the Department of Energy's National Nuclear Security Administration.

Los Alamos enhances national security by ensuring the safety and reliability of the U.S. nuclear stockpile, developing technologies to reduce threats from weapons of mass destruction, and solving problems related to energy, environment, infrastructure, health and global security concerns.

Argonne National Laboratory seeks solutions to pressing national problems in science and technology. The nation's first national laboratory, Argonne conducts leading-edge basic and applied scientific research in virtually every scientific discipline. Argonne researchers work closely with researchers from hundreds of companies, universities, and federal, state and municipal agencies to help them solve their specific problems, advance America's scientific leadership and prepare the nation for a better future. With employees from more than 60 nations, Argonne is managed by UChicago Argonne, LLC for the U.S. Department of Energy's Office of Science.

The U.S. Department of Energy's Office of Science is the single largest supporter of basic research in the physical sciences in the United States and is working to address some of the most pressing challenges of our time. For more information, visit the Office of Science website.

The Electrocatalysis Consortium (ElectroCat) is using national lab resources and capabilities such as Argonne National Lab's High-Throughput Research facility (pictured) and Los Alamos National Lab's multiscale modeling techniques to develop catalysts and test their performance in fuel cells, speeding the process of discovery.

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